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A051463
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Molien series for group G_{1,3}^{8} of order 4608.
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2
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1, 1, 37, 229, 721, 2152, 5083, 10167, 19637, 34575, 56511, 90552, 138093, 201909, 291549, 408225, 556325, 751696, 994583, 1291355, 1666301, 2117627, 2654051, 3310736, 4082489, 4980745, 6054261, 7292797, 8710873, 10373848, 12264499, 14400799, 16868005, 19639687
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OFFSET
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0,3
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LINKS
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Index entries for linear recurrences with constant coefficients, signature (2, -1, 4, -8, 4, -6, 12, -6, 4, -8, 4, -1, 2, -1).
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FORMULA
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G.f.: (5*x^12 + 51*x^11 + 190*x^10 + 400*x^9 + 846*x^8 + 947*x^7 + 882*x^6 + 795*x^5 + 304*x^4 + 152*x^3 + 36*x^2 - x + 1)/((x - 1)^6*(x^2 + x + 1)^4).
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MATHEMATICA
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CoefficientList[Series[(5x^12+51x^11+190x^10+400x^9+846x^8+947x^7+882x^6+795x^5+304x^4+152x^3+36x^2-x+1)/((x-1)^6(x^2+x+1)^4), {x, 0, 40}], x] (* or *) LinearRecurrence[ {2, -1, 4, -8, 4, -6, 12, -6, 4, -8, 4, -1, 2, -1}, {1, 1, 37, 229, 721, 2152, 5083, 10167, 19637, 34575, 56511, 90552, 138093, 201909}, 40] (* Harvey P. Dale, Jul 14 2021 *)
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CROSSREFS
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KEYWORD
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nonn,easy,nice
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AUTHOR
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EXTENSIONS
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More terms from Antonio G. Astudillo (afg_astudillo(AT)hotmail.com), Jun 15 2001
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STATUS
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approved
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